[6328] | 1 | |
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| 2 | |
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| 3 | #include "mpiP.h" |
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| 4 | #include "mpi.h" |
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| 5 | #include "type.h" |
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| 6 | |
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| 7 | /****************************************************************************/ |
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| 8 | |
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| 9 | static int initialized=0; |
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| 10 | |
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| 11 | |
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| 12 | /* Store fortran pointer values here */ |
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| 13 | |
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| 14 | static int *f_MPI_STATUS_IGNORE; |
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| 15 | static int *f_MPI_STATUSES_IGNORE; |
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| 16 | static int *f_MPI_IN_PLACE; |
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| 17 | |
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| 18 | static char *mpi_version_string="mpi-serial 2.3"; |
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| 19 | |
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| 20 | |
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| 21 | /****************************************************************************/ |
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| 22 | |
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| 23 | |
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| 24 | /* |
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| 25 | * INIT/FINALIZE |
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| 26 | * |
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| 27 | */ |
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| 28 | |
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| 29 | |
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| 30 | |
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| 31 | FC_FUNC( mpi_init_fort , MPI_INIT_FORT) |
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| 32 | (int *f_MPI_COMM_WORLD, |
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| 33 | int *f_MPI_ANY_SOURCE, int *f_MPI_ANY_TAG, |
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| 34 | int *f_MPI_PROC_NULL, int *f_MPI_ROOT, |
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| 35 | int *f_MPI_COMM_NULL, int *f_MPI_REQUEST_NULL, |
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| 36 | int *f_MPI_GROUP_NULL, int *f_MPI_GROUP_EMPTY, |
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| 37 | int *f_MPI_UNDEFINED, |
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| 38 | int *f_MPI_MAX_ERROR_STRING, |
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| 39 | int *f_MPI_MAX_PROCESSOR_NAME, |
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| 40 | int *f_MPI_STATUS_SIZE, |
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| 41 | int *f_MPI_SOURCE, int *f_MPI_TAG, int *f_MPI_ERROR, |
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| 42 | int *f_status, |
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| 43 | int *fsource, int *ftag, int *ferror, |
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| 44 | int *f_MPI_INTEGER, void *fint1, void *fint2, |
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| 45 | int *f_MPI_LOGICAL, void *flog1, void *flog2, |
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| 46 | int *f_MPI_REAL, void *freal1, void *freal2, |
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| 47 | int *f_MPI_DOUBLE_PRECISION, |
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| 48 | void *fdub1, void *fdub2, |
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| 49 | int *f_MPI_COMPLEX, void *fcomp1, void *fcomp2, |
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| 50 | int *ierror) |
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| 51 | { |
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| 52 | int err; |
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| 53 | int size; |
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| 54 | int offset; |
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| 55 | |
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| 56 | *ierror=MPI_Init(NULL,NULL); |
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| 57 | |
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| 58 | err=0; |
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| 59 | |
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| 60 | /* |
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| 61 | * These 3 macros compare things from mpif.h (as passed in by the f_ |
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| 62 | * arguments) to the values in C (from #including mpi.h). |
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| 63 | * |
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| 64 | * Unfortunately, this kind of thing is done most easily in a nasty |
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| 65 | * looking macto. |
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| 66 | * |
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| 67 | */ |
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| 68 | |
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| 69 | |
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| 70 | /* |
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| 71 | * verify_eq |
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| 72 | * compare value of constants in C and fortran |
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| 73 | * i.e. compare *f_<name> to <name> |
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| 74 | */ |
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| 75 | |
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| 76 | #define verify_eq(name) \ |
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| 77 | if (*f_##name != name) \ |
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| 78 | { fprintf(stderr,"mpi-serial: mpi_init_fort: %s not consistent " \ |
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| 79 | "between mpif.h (%d) and mpi.h (%d)\n",\ |
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| 80 | #name,*f_##name,name); \ |
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| 81 | err=1; } |
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| 82 | |
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| 83 | #define verify_eq_warn(name) \ |
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| 84 | if (*f_##name != name) \ |
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| 85 | { fprintf(stderr,"mpi-serial: mpi_init_fort: warning: %s not consistent " \ |
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| 86 | "between mpif.h (%d) and mpi.h (%d)\n",\ |
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| 87 | #name,*f_##name,name); \ |
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| 88 | } |
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| 89 | |
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| 90 | |
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| 91 | /* |
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| 92 | * verify_size |
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| 93 | * verify that the type name in fortran has the correct |
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| 94 | * value (i.e. the size of that data type). |
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| 95 | * Determine size by subtracting the pointer values of two |
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| 96 | * consecutive array locations. |
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| 97 | */ |
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| 98 | |
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| 99 | #define verify_size(name,p1,p2) \ |
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| 100 | if ( (size=((char *)(p2) - (char *)(p1))) != Simpletype_length( \ |
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| 101 | (*(Datatype*)mpi_handle_to_datatype(*f_##name))->pairs[0].type) ) \ |
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| 102 | { fprintf(stderr,"mpi-serial: mpi_init_fort: mpif.h %s (%d) " \ |
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| 103 | "does not match actual fortran size (%d)\n", \ |
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| 104 | #name,*f_##name,size); \ |
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| 105 | err=1; } |
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| 106 | |
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| 107 | /* |
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| 108 | * verify_field |
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| 109 | * check the struct member offsets for MPI_Status vs. the |
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| 110 | * fortan integer array offsets. E.g. the location of |
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| 111 | * status->MPI_SOURCE should be the same as STATUS(MPI_SOURCE) |
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| 112 | */ |
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| 113 | |
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| 114 | #define verify_field(name) \ |
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| 115 | { offset= (char *)&((MPI_Status *)f_status)->name - (char *)f_status; \ |
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| 116 | if ( offset != (*f_##name-1)*sizeof(int) ) \ |
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| 117 | { fprintf(stderr,"mpi-serial: mpi_init_fort: mpif.h %s (%d) (%d bytes) " \ |
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| 118 | "is inconsistent w/offset in MPI_Status (%d bytes)\n", \ |
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| 119 | #name,*f_##name,(*f_##name-1)*sizeof(int),offset); \ |
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| 120 | err=1; }} |
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| 121 | |
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| 122 | |
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| 123 | |
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| 124 | verify_eq(MPI_COMM_WORLD); |
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| 125 | verify_eq(MPI_ANY_SOURCE); |
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| 126 | verify_eq(MPI_ANY_TAG); |
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| 127 | verify_eq(MPI_PROC_NULL); |
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| 128 | verify_eq(MPI_ROOT); |
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| 129 | verify_eq(MPI_COMM_NULL); |
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| 130 | verify_eq(MPI_REQUEST_NULL); |
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| 131 | verify_eq(MPI_GROUP_NULL); |
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| 132 | verify_eq(MPI_GROUP_EMPTY); |
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| 133 | verify_eq(MPI_UNDEFINED); |
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| 134 | verify_eq(MPI_MAX_ERROR_STRING); |
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| 135 | verify_eq(MPI_MAX_PROCESSOR_NAME); |
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| 136 | |
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| 137 | verify_eq(MPI_STATUS_SIZE); |
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| 138 | verify_field(MPI_SOURCE); |
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| 139 | verify_field(MPI_TAG); |
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| 140 | verify_field(MPI_ERROR); |
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| 141 | |
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| 142 | verify_eq(MPI_INTEGER); |
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| 143 | verify_size(MPI_INTEGER,fint1,fint2); |
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| 144 | |
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| 145 | verify_size(MPI_LOGICAL,flog1,flog2); |
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| 146 | |
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| 147 | verify_eq_warn(MPI_REAL); |
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| 148 | verify_size(MPI_REAL,freal1,freal2); |
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| 149 | |
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| 150 | verify_eq(MPI_DOUBLE_PRECISION); |
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| 151 | verify_size(MPI_DOUBLE_PRECISION,fdub1,fdub2); |
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| 152 | |
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| 153 | verify_size(MPI_COMPLEX,fcomp1,fcomp2); |
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| 154 | |
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| 155 | if (err) |
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| 156 | abort(); |
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| 157 | } |
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| 158 | |
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| 159 | int MPI_Init_thread(int *argc, char **argv[], int required, int *provided) |
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| 160 | { |
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| 161 | *provided = required; |
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| 162 | return MPI_Init(argc, argv); |
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| 163 | } |
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| 164 | |
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| 165 | int MPI_Init(int *argc, char **argv[]) |
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| 166 | { |
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| 167 | MPI_Comm my_comm_world; |
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| 168 | |
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| 169 | if (sizeof(MPI_Aint) < sizeof(void *)) |
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| 170 | { |
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| 171 | fprintf(stderr, "mpi-serial: MPI_Init: " |
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| 172 | "MPI_Aint is not large enough for void *\n"); |
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| 173 | abort(); |
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| 174 | } |
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| 175 | |
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| 176 | my_comm_world=mpi_comm_new(); |
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| 177 | |
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| 178 | if (my_comm_world != MPI_COMM_WORLD) |
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| 179 | { |
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| 180 | fprintf(stderr,"MPI_Init: conflicting MPI_COMM_WORLD\n"); |
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| 181 | abort(); |
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| 182 | } |
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| 183 | |
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| 184 | // call this to have the fortran routine call back and save |
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| 185 | // values for f_MPI_STATUS_IGNORE and f_MPI_STATUSES_IGNORE |
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| 186 | FC_FUNC(mpi_get_fort_pointers,MPI_GET_FORT_POINTERS)(); // the () are important |
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| 187 | |
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| 188 | initialized=1; |
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| 189 | return(MPI_SUCCESS); |
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| 190 | } |
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| 191 | |
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| 192 | |
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| 193 | /*********/ |
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| 194 | |
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| 195 | |
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| 196 | FC_FUNC( mpi_finalize, MPI_FINALIZE )(int *ierror) |
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| 197 | { |
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| 198 | *ierror=MPI_Finalize(); |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | /* |
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| 203 | * MPI_Finalize() |
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| 204 | * |
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| 205 | * this library doesn't support re-initializing MPI, so |
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| 206 | * the finalize will just leave everythign as it is... |
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| 207 | * |
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| 208 | */ |
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| 209 | |
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| 210 | |
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| 211 | int MPI_Finalize(void) |
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| 212 | { |
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| 213 | initialized=0; |
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| 214 | |
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| 215 | mpi_destroy_handles(); |
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| 216 | |
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| 217 | return(MPI_SUCCESS); |
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| 218 | } |
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| 219 | |
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| 220 | |
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| 221 | /*********/ |
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| 222 | |
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| 223 | |
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| 224 | FC_FUNC( mpi_abort , MPI_ABORT )(int *comm, int *errorcode, int *ierror) |
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| 225 | { |
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| 226 | *ierror=MPI_Abort( *comm, *errorcode); |
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| 227 | } |
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| 228 | |
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| 229 | |
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| 230 | |
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| 231 | int MPI_Abort(MPI_Comm comm, int errorcode) |
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| 232 | { |
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| 233 | fprintf(stderr,"MPI_Abort: error code = %d\n",errorcode); |
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| 234 | exit(errorcode); |
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| 235 | } |
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| 236 | |
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| 237 | |
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| 238 | /*********/ |
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| 239 | |
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| 240 | |
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| 241 | |
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| 242 | FC_FUNC( mpi_error_string , MPI_ERROR_STRING) |
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| 243 | (int *errorcode, char *string, |
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| 244 | int *resultlen, int *ierror) |
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| 245 | { |
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| 246 | *ierror=MPI_Error_string(*errorcode, string, resultlen); |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | int MPI_Error_string(int errorcode, char *string, int *resultlen) |
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| 251 | { |
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| 252 | sprintf(string,"MPI Error: code %d\n",errorcode); |
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| 253 | *resultlen=strlen(string); |
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| 254 | |
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| 255 | return(MPI_SUCCESS); |
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| 256 | } |
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| 257 | |
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| 258 | |
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| 259 | /*********/ |
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| 260 | |
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| 261 | |
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| 262 | FC_FUNC( mpi_get_processor_name , MPI_GET_PROCESSOR_NAME ) |
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| 263 | (char *name, int *resultlen, int *ierror) |
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| 264 | { |
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| 265 | *ierror=MPI_Get_processor_name(name,resultlen); |
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| 266 | } |
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| 267 | |
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| 268 | |
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| 269 | int MPI_Get_processor_name(char *name, int *resultlen) |
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| 270 | { |
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| 271 | int ret; |
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| 272 | |
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| 273 | ret=gethostname(name,MPI_MAX_PROCESSOR_NAME); |
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| 274 | |
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| 275 | if (ret!=0) |
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| 276 | strncpy(name,"unknown host name",MPI_MAX_PROCESSOR_NAME); |
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| 277 | |
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| 278 | |
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| 279 | name[MPI_MAX_PROCESSOR_NAME-1]='\0'; /* make sure NULL terminated */ |
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| 280 | *resultlen=strlen(name); |
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| 281 | |
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| 282 | return(MPI_SUCCESS); |
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| 283 | } |
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| 284 | |
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| 285 | |
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| 286 | /*********/ |
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| 287 | |
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| 288 | |
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| 289 | FC_FUNC( mpi_initialized , MPI_INITIALIZED )(int *flag, int *ierror) |
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| 290 | { |
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| 291 | *ierror=MPI_Initialized(flag); |
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| 292 | } |
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| 293 | |
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| 294 | |
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| 295 | int MPI_Initialized(int *flag) |
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| 296 | { |
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| 297 | *flag= initialized; |
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| 298 | |
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| 299 | return(MPI_SUCCESS); |
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| 300 | } |
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| 301 | |
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| 302 | |
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| 303 | /**********/ |
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| 304 | |
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| 305 | |
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| 306 | void FC_FUNC( mpi_get_library_version, MPI_GET_LIBRARY_VERSION) (char *version, int *resultlen, int *ierror) |
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| 307 | { |
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| 308 | MPI_Get_library_version(version,resultlen); |
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| 309 | |
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| 310 | // Sanity check before the memset() |
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| 311 | if ( (*resultlen) > (MPI_MAX_LIBRARY_VERSION_STRING-1) ) |
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| 312 | abort(); |
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| 313 | |
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| 314 | memset(version+(*resultlen),' ',MPI_MAX_LIBRARY_VERSION_STRING-(*resultlen)); |
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| 315 | |
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| 316 | *ierror=MPI_SUCCESS; |
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| 317 | } |
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| 318 | |
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| 319 | |
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| 320 | |
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| 321 | int MPI_Get_library_version(char *version, int *resultlen) |
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| 322 | { |
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| 323 | |
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| 324 | strncpy(version,mpi_version_string,MPI_MAX_LIBRARY_VERSION_STRING); |
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| 325 | // Make sure it is null terminated |
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| 326 | version[MPI_MAX_LIBRARY_VERSION_STRING-1]='\0'; |
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| 327 | *resultlen=strlen(version); |
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| 328 | |
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| 329 | return(MPI_SUCCESS); |
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| 330 | } |
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| 331 | |
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| 332 | /**********/ |
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| 333 | void FC_FUNC( mpi_get_version, MPI_GET_VERSION )(int *mpi_vers, int *mpi_subvers, int *ierror) |
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| 334 | { |
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| 335 | MPI_Get_Version(mpi_vers, mpi_subvers); |
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| 336 | |
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| 337 | *ierror=MPI_SUCCESS; |
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| 338 | } |
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| 339 | |
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| 340 | int MPI_Get_Version(int *mpi_vers, int *mpi_subvers) |
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| 341 | { |
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| 342 | *mpi_vers = 1; |
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| 343 | *mpi_subvers = 0; |
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| 344 | |
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| 345 | return (MPI_SUCCESS); |
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| 346 | } |
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| 347 | |
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| 348 | /**********/ |
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| 349 | |
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| 350 | |
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| 351 | void FC_FUNC( mpi_save_fort_pointers, MPI_SAVE_FORT_POINTERS ) (int *status, int *statuses, int *in_place) |
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| 352 | { |
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| 353 | f_MPI_STATUS_IGNORE=status; |
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| 354 | f_MPI_STATUSES_IGNORE=statuses; |
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| 355 | f_MPI_IN_PLACE=in_place; |
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| 356 | } |
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| 357 | |
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| 358 | |
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| 359 | |
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| 360 | MPI_Status *mpi_c_status(int *status) |
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| 361 | { |
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| 362 | if (status==f_MPI_STATUS_IGNORE) |
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| 363 | return(MPI_STATUS_IGNORE); |
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| 364 | |
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| 365 | return((MPI_Status *)status); |
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| 366 | } |
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| 367 | |
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| 368 | |
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| 369 | MPI_Status *mpi_c_statuses(int *statuses) |
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| 370 | { |
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| 371 | if (statuses==f_MPI_STATUSES_IGNORE) |
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| 372 | return(MPI_STATUSES_IGNORE); |
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| 373 | |
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| 374 | return((MPI_Status *)statuses); |
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| 375 | } |
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| 376 | |
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| 377 | |
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| 378 | void *mpi_c_in_place(void *buffer) |
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| 379 | { |
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| 380 | if (buffer==(void *)f_MPI_IN_PLACE) |
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| 381 | return(MPI_IN_PLACE); |
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| 382 | |
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| 383 | return(buffer); |
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| 384 | } |
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